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  • 2/15/2015 HowtoEnabletheSAPWebApplicationServertoRuninaCluster(SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS)

    http://docs.oracle.com/cd/E1905001/sun.cluster31/8176571/installconfigproc136/index.html 1/5

    Previous:HowtoInstallandConfiguretheSAPJ2EEEngine Next:HowtoEnabletheSAPJ2EEEnginetoRuninaCluster

    DocumentationHome>SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS>InstallingandConfiguringSunClusterHAforSAPWebApplicationServer>InstallingandConfiguringSAPWebApplicationServer>HowtoEnabletheSAPWebApplicationServertoRuninaCluster

    HowtoEnabletheSAPWebApplicationServertoRuninaClusterThefollowingresourcegroupsarecreatedinthisprocedure:

    SAPcentralservicesresourcegroup,tocontainthefollowingresources:

    SAPenqueueserverresource

    SAPmessageserverresource

    Logicalhostnamefortheseresources

    SAPreplicaserverresourcegroup,tocontainthefollowingresources:

    SAPreplicaserverresource

    Logicalhostnameforthisresource

    SAPwebapplicationserverresourcegroup,tocontainthefollowingresources:

    SAPwebapplicationservercomponentresource

    Logicalhostnameforthisresource,iftheresourceisconfiguredasafailoverresource

    NotethattheproceduretoenabletheSAPJ2EEenginetoruninaclusterislocatedinaseparatesection.SeeHowtoEnabletheSAPJ2EEEnginetoRuninaCluster.

    1. Becomesuperuseronaclusternode.

    2. CreatearesourcegroupfortheSAPcentralservices.

    TheSAPcentralservicesresourcegroupisafailoverresourcegrouptocontaintheSAPenqueueserverresource,theSAPmessageserverresource,andthelogicalhostnamefortheseresources.

    # scrgadma g centralrg

    a

    Specifiesthatanewresourcegroupistobeadded.

    g centralrg

    Specifiesthenameoftheresourcegrouptobeadded.Thisnamecanbeyourchoicebutmustbeuniquefortheresourcegroupswithinthecluster.

    3. AddalogicalhostnameresourcetotheresourcegroupthatyoucreatedinStep2.

    # scrgadmaL g centralrg l centrallogicalhostname[ n netiflist]

    a

    SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS

  • 2/15/2015 HowtoEnabletheSAPWebApplicationServertoRuninaCluster(SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS)

    http://docs.oracle.com/cd/E1905001/sun.cluster31/8176571/installconfigproc136/index.html 2/5

    Specifiesthatanewconfigurationistobeadded.

    L

    Specifiesthatalogicalhostnameresourceistobeadded.

    g centralrg

    SpecifiesthelogicalhostnameresourcetobeaddedtotheresourcegroupthatyoucreatedinStep2.

    l centrallogicalhostname

    SpecifiesthelogicalhostnameoftheSAPcentralservicesresource.

    n netiflist

    Specifiesacommaseparatedlistofnetworkinterfaces.Allnodesinthenodelistoftheresourcegroupmustberepresentedinthelistofnetworkinterfaces.Specifyingalistofnetworkinterfacesisoptional.Ifyouomitthelist,anattemptismadeforeachnodetodiscoveranetworkinterfaceonthesubnetthatthehostnamelistidentifies.

    4. BringonlinetheSAPcentralservicesresourcegroup.

    # scswitchZ g centralrg

    Z

    Specifiesthataresourcegroupistobebroughtonline.

    g centralrg

    Specifiesthenameoftheresourcegrouptobebroughtonline.ThisnameisthenameoftheresourcegroupthatwascreatedinStep2.

    5. CreatearesourcegroupfortheSAPreplicaserver.

    TheSAPreplicaserverresourcegroupisafailoverresourcegrouptocontaintheSAPreplicaserverresourceandthelogicalhostnameforthisresource.

    # scrgadma g replrg

    a

    Specifiesthatanewresourcegroupistobeadded.

    g replrg

    Specifiesthenameoftheresourcegrouptobeadded.Thisnamecanbeyourchoicebutmustbeuniquefortheresourcegroupswithinthecluster.

    6. AddalogicalhostnameresourcetotheresourcegroupthatyoucreatedinStep5.

    # scrgadmaL g replrg l saprepllogicalhostname[ n netiflist]

    a

    Specifiesthatanewconfigurationistobeadded.

    L

    Specifiesthatalogicalhostnameresourceistobeadded.

    g replrg

    SpecifiesthelogicalhostnameresourcetobeaddedtotheresourcegroupthatyoucreatedinStep5.

    l saprepllogicalhostname

    SpecifiesthelogicalhostnameoftheSAPreplicaserverresource.

  • 2/15/2015 HowtoEnabletheSAPWebApplicationServertoRuninaCluster(SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS)

    http://docs.oracle.com/cd/E1905001/sun.cluster31/8176571/installconfigproc136/index.html 3/5

    n netiflist

    Specifiesacommaseparatedlistofnetworkinterfaces.Allnodesinthenodelistoftheresourcegroupmustberepresentedinthelistofnetworkinterfaces.Specifyingalistofnetworkinterfacesisoptional.Ifyouomitthelist,anattemptismadeforeachnodetodiscoveranetworkinterfaceonthesubnetthatthehostnamelistidentifies.

    7. BringonlinetheSAPreplicaserverresourcegroup.

    # scswitchZ g replrg

    Z

    Specifiesthataresourcegroupistobebroughtonline.

    g replrg

    Specifiesthenameoftheresourcegrouptobebroughtonline.ThisnameisthenameoftheresourcegroupthatwascreatedinStep5.

    8. SetweakpositiveaffinitybetweentheSAPcentralservicesresourcegroupandtheSAPreplicaserverresourcegroup.

    Theweakpositiveaffinitysettingensuresthat,incaseoffailover,theSAPcentralservicesresourcegroupfailsovertothenodewheretheSAPreplicaserverresourcegrouphasbeenrunning.

    # scrgadmc g centralrg yRG_affinities=+ replrg

    c

    Specifiesthataresourcegroupistobemodified

    g centralrg

    Specifiesthenameoftheresourcegrouptobemodified

    yRG_affinities=+ replrg

    Specifiesthatthecentralrgresourcegrouphasweakpositiveaffinitywiththereplrgresourcegroup

    9. IftheSAPcentralservicesresourcegroupandtheSAPreplicaserverresourcegroupareonlineonthesamenode,switchoneofthemtoanothernode.

    Thetworesourcegroupsmustbemasteredondifferentnodesbeforethestrongnegativeaffinitycanbesetbetweentheresourcegroups.

    # scswitchz g rg h node

    z

    Specifiesthataresourcegroupistobeswitchedtoanothernode.

    g rg

    Specifiesthenameoftheresourcegrouptobeswitched.ThisresourcegroupcanbeeithertheSAPcentralservicesresourcegrouportheSAPreplicaserverresourcegroup.

    h node

    Specifiesthenodetowhichtheresourcegroupistobeswitched.

    10. SetstrongnegativeaffinitybetweentheSAPreplicaserverresourcegroupandtheSAPcentralservicesresourcegroup.

    Thestrongnegativeaffinitysettingensuresthatnodefailoverbehaviorisappropriate.TheSAPcentralservicesresourcegroupfailsovertothenodewheretheSAPreplicaserverresourcegrouphasbeenrunning.TheSAPreplicaserverresourcegroupthenfailsovertoanotheravailablenode.

    TheSAPreplicaserverresourcegroupisneverbroughtonlinenorallowedtoremainonlineonanodeonwhichtheSAPcentralservicesresourcegroupisonline.

    # scrgadmc g replrg yRG_affinities= centralrg

  • 2/15/2015 HowtoEnabletheSAPWebApplicationServertoRuninaCluster(SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS)

    http://docs.oracle.com/cd/E1905001/sun.cluster31/8176571/installconfigproc136/index.html 4/5

    c

    Specifiesthataresourcegroupistobemodified

    g replrg

    Specifiesthenameoftheresourcegrouptobemodified

    yRG_affinities= centralrg

    Specifiesthatthereplrgresourcegrouphasstrongnegativeaffinitywiththecentralrgresourcegroup

    11. CreatearesourcegroupfortheSAPwebapplicationservercomponent.

    TheSAPwebapplicationserverresourcegroupcanbeconfiguredasafailoverorscalableresourcegrouptocontaintheresourcefortheSAPwebapplicationservercomponent.IftheSAPwebapplicationserverisconfiguredasafailoverresource,thelogicalhostnameforthisresourceisalsocontainedintheSAPwebapplicationserverresourcegroup.

    Tocreateafailoverresourcegroup,runthefollowingcommand.

    # scrgadma g webasrg

    Tocreateascalableresourcegroup,runthefollowingcommand.

    # scrgadma g scalwebasrg\yMaximum_primaries= value yDesired_primaries= value

    a

    Specifiesthatanewresourcegroupistobeadded.

    g webasrg

    Specifiesthenameofthefailoverresourcegrouptobeadded.Thisnamecanbeyourchoicebutmustbeuniquefortheresourcegroupswithinthecluster.

    g scalwebasrg

    Specifiesthenameofthescalableresourcegrouptobeadded.Thisnamecanbeyourchoicebutmustbeuniquefortheresourcegroupswithinthecluster.

    yMaximum_primaries= value

    Specifiesthemaximumnumberofprimarynodesforthisscalableresourcegroup.

    yDesired_primaries= value

    Specifiesthedesirednumberofprimarynodesforthisscalableresourcegroup.

    12. IftheresourcegroupthatyoucreatedinStep11isconfiguredasafailoverresourcegroup,addalogicalhostnameresourcetotheresourcegroup.

    IftheresourcegroupthatyoucreatedinStep11isconfiguredasascalableresourcegroup,skipthisstep.

    # scrgadmaL g webasrg l webaslogicalhostname[ n netiflist]

    a

    Specifiesthatanewconfigurationistobeadded.

    L

    Specifiesthatalogicalhostnameresourceistobeadded.

    g webasrg

    SpecifiesthelogicalhostnameresourcetobeaddedtotheresourcegroupthatyoucreatedinStep11.

  • 2/15/2015 HowtoEnabletheSAPWebApplicationServertoRuninaCluster(SunClusterDataServiceforSAPWebApplicationServerGuideforSolarisOS)

    http://docs.oracle.com/cd/E1905001/sun.cluster31/8176571/installconfigproc136/index.html 5/5

    Previous:HowtoInstallandConfiguretheSAPJ2EEEngine Next:HowtoEnabletheSAPJ2EEEnginetoRuninaCluster

    l webaslogicalhostname

    SpecifiesthelogicalhostnameoftheSAPwebapplicationservercomponentresource.

    n netiflist

    Specifiesacommaseparatedlistofnetworkinterfaces.Allnodesinthenodelistoftheresourcegroupmustberepresentedinthelistofnetworkinterfaces.Specifyingalistofnetworkinterfacesisoptional.Ifyouomitthelist,anattemptismadeforeachnodetodiscoveranetworkinterfaceonthesubnetthatthehostnamelistidentifies.

    13. BringonlinetheSAPwebapplicationserverresourcegroup.

    # scswitchZ g webasrg

    Z

    Specifiesthataresourcegroupistobebroughtonline.

    g webasrg

    Specifiesthenameoftheresourcegrouptobebroughtonline.ThisnameisthenameoftheresourcegroupthatwascreatedinStep11.

    14. (Optional)Considerconfiguringyourclustertooffloadnoncriticalresourcegroups.

    Youmightplantorunanoncritical,lowerprioritySAPwebapplicationservercomponentresourceonanodetowhichacritical,higherprioritySAPcentralservicesresourcecanfailover.Inthissituation,considersettingstrongnegativeaffinitybetweentheresourcegroups.Thissettingensuresthat,ifahigherprioritySAPcentralservicesresourcefailsovertothenodewherealowerprioritySAPwebapplicationservercomponentresourceisrunning,thelowerpriorityresourceisoffloaded,therebyautomaticallyfreeingthenode'sresourcestobeusedforthecriticalSAPcentralservicesresource.

    # scrgadmc g webasrg yRG_affinities= centralrg

    c

    Specifiesthataresourcegroupistobemodified.

    g webasrg

    Specifiesthenameoftheresourcegrouptobemodified.

    yRG_affinities= centralrg

    Specifiesthatthewebasrgresourcegrouphasstrongnegativeaffinitywiththecentralrgresourcegroup.Ifthecentralrgresourcegroupfailsovertothenodewherethewebasrgresourcegroupisrunning,thewebasrgresourcegroupisoffloaded.

    15. CopyallsystemfilesthatwerechangedduringtheSAPWebApplicationServerinstallationandconfigurationprocesstoallthenodesthataretoruntheSAPWebApplicationServerresources.Thesefilesmightincludethefollowing:

    /etc/passwd

    /etc/group

    /etc/system

    /etc/services

    2010,OracleCorporationand/oritsaffiliates


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